JPH02158991A - Attachable and detachable electric apparatus - Google Patents

Abstract

PURPOSE:To easily attach and detach an electric apparatus by pushing a handle from the detaining position with a finger to release the detained state. CONSTITUTION:A detaining cam part 17 and a projection 18 are provided on right and left parts of a front panel part 11 so that they can be engaged with a detaining piece 15. When a handle 12 is pushed in to a first position, an upper projection 15b of the piece 15 is engaged with the projection 18 and the piece 15 is pivotally moved clockwise. Then, the contact state of a projection 15a to a cam curved surface 17a and a perpendicular engaging face 17b of a cam part 17 is released. Consequently, when the handle 12 is released from the finger, the piece 15 is slid on the curved surface 17a by a slide face 15c and is pivotally moved clockwise in the rotating manner, and the detained state of the handle 12 is released. The handle 12 is pivotally moved to the vicinity of a second position by the action of a spring member, and the grip part of the handle 12 is easily gripped, and a cassette deck is pulled out of a holding space, thereby easily attaching and detaching the cassette deck.

Description

DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to electrical equipment, and for example, to a removable electrical equipment that is removably mounted on an automobile.

BACKGROUND ART For example, at home, electrical equipment such as audio equipment is detachably stored in a dedicated rack, and when necessary, the electrical equipment is removed from the rack and taken outdoors to enjoy its functions. ing.

Furthermore, when leaving a car after parking, it is common practice to temporarily remove electrical equipment mounted on the car and carry it with you to prevent it from being stolen.

FIG. 6 shows a cassette deck as a conventional example of such a removable electrical device.

The cassette deck 1 is removably inserted into a holding space through an insertion opening provided in a dash board of an automobile. Note that the front panel section 2 is exposed outside the holding space so that it can be operated. A portable handle 3 is pivotally provided on the front panel portion 2.

The handle 3 is pivotable between a first position indicated by a solid line in FIG. 6, in which the grip portion 3a is close to the front panel portion 2, and a second position indicated by a two-dot chain line in which the handle 3 is spaced apart. That is, when the handle 3 is in the first position, the grip part 3a is almost hidden under the front panel part 2, and this does not get in the way when operating the front panel part 2, making it easy to carry the cassette deck. sometimes second
It can be pivoted into position and gripped.

When the cassette deck is taken out from the holding space with one hand to be carried, first, the handle 3 is moved from the first position to the second position by hanging the tip of the index finger, for example, on the protruding part 3b provided at the center of the grip part 3a. Pull it out and bring the grip part 3a to a position where you can grip it. Then, while maintaining this state, grip the grip portion 3a with the other fingers, and then preferably use the index finger as well to firmly grip again and pull it out. However, in this way, the handle 3
It is not always easy to use the index finger and other fingers to pull out the object to a position where it can be grasped.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and its object is to provide a detachable electrical device that can be easily attached to and detached from a holding space.

The removable electric device according to the present invention includes a portable handle provided near the front panel portion, the grip portion of which is movable between a first position in which it is close to the front panel portion and a second position in which it is separated from the front panel portion. a biasing means for biasing the handle toward the second position; and a biasing means for biasing the handle against the front panel portion when the / It is characterized by having a locking means that locks at an intermediate locking position and releases the lock when the handle at the locking position moves to the first position.

EXAMPLE Hereinafter, a cassette deck as a first example of the present invention will be explained with reference to FIGS. 1 to 3.

The cassette deck is removably inserted into the holding space through an insertion opening formed in the dash board of the automobile,
The front panel portion 11 is exposed outside the holding space so that it can be operated. Front panel section 11
A portable handle 12 is provided near the cassette deck for carrying the cassette deck by hand. The handle 12 is formed in a U-shape as a whole, and is pivotally attached to both left and right sides of the front panel portion 11 via two pivot pins 13 at both ends thereof. The handle 12 is pivotable between a first position shown in FIG. 1 and a second position shown in dashed lines in FIG.

Further, a spring member 14 is fitted onto the pivot pin 13 to urge the handle 12 toward the second position. The first position is the central portion of the handle 12, that is, the grip portion 12a.
is a position close to the front panel section 11 and hidden below the front panel section. When the handle 12 is in the first position, you can operate the operation section on the front panel section 11 or insert the cassette tape into the tape insertion hole 11.
There is no way to prevent the work of loading and unloading via a. Also,
The second position is a position where the grip portion 12a of the handle 12 is separated from the front panel portion 11, and the handle 12 is separated from the front panel portion 11.
This is the position when holding the cassette deck while carrying it.

Four portions 12d of the same shape are formed on the inner surfaces of the left and right sides 12b and 12c of the handle 12, and a locking piece 15 is inserted into the recess through a pivot pin 16 (shown in FIG. 2). It is rotatably attached. In addition, the locking piece 15
The center axis of rotation of is parallel to the center axis of pivot of the handle 12.

As shown in FIGS. 2 and 3, a locking cam portion 17 and a protrusion 18 are provided on both left and right sides of the front panel portion 11 to lock the locking piece 1.
5 so that it can be engaged with.

Note that although the figure only shows the locking cam part and the protrusion formed on the left side of the front panel part 11, the locking cam part and the protrusion provided on the right side of the front panel part 11 are not shown on the left side. It has the same shape as the locking cam part 17 and the protrusion 18.

As shown in FIG. 3 (ω), the locking piece 15 has two triangular protrusions 15a and 15b on each end, and smooth surfaces 15c with a predetermined radius of curvature on both sides.

A locking cam portion 17 provided on the side of the front panel portion 11 to engage with this locking piece 15 is connected to a sliding surface 1 of the locking piece 15.
5c, and a vertical engagement surface 17b continuous with the cam curved surface.

When the handle 12 moves from the second position to the first position, the locking piece 15, the pivot pin 16 that pivotally supports the locking piece 15, the locking cam portion 17, and the protrusion 18 allow the handle 12 to move from the second position to the first position. A locking means is configured that locks the handle 12 at a locking position with respect to the front panel portion 11 and releases the lock when the handle 12 in the locking position moves to the first position.

The operation of the above-mentioned locking means will be explained with reference to the operation explanatory diagram of FIG.

First, a case in which the handle 12 is locked will be described.

The free end of the handle 12 is pushed with a finger or the like to move it to the first position shown in FIG. Then, as shown in FIG.
As a result, the locking piece 15 is slightly pivoted counterclockwise in FIG. 3 (ω) and positioned at a predetermined pivot position. And handle 12
When the locking piece 15 reaches the first position, as shown by the two-dot chain line in FIG. 3(a) and the solid line in FIG. The side protrusions engage with the protrusions 18 of the front panel portion 11, thereby pivoting the locking piece 15 higher in the clockwise direction (in FIG. 3). When the handle 12 is released from the handle 12 in this state, the handle 12 tends to be returned to the second position by the action of the spring member 14. However, as shown by the two-dot chain line in FIG. 3(b) and the solid line in FIG. The protrusion 15a at the other end abuts, and the handle 12 is thereby locked in an intermediate locking position, which is pivoted slightly from the first position toward the second position.

Next, the case of releasing the locked state of the handle 12 will be explained.

Move the handle 12 from the locking position shown in Figure 3(C) to the third position.
Push it back into the first position as shown in the figure.

Then, in FIG. 3(C), the two-dot chain line
As shown by the solid line in the figure (small), the upper protrusion of the two protrusions 15b at one end of the locking piece 15 engages with the protrusion 18 of the front panel part 11, and as a result, the locking piece 15
It is pivoted clockwise in FIG. Therefore, if you release your hand from the handle 12 after this, the locking piece 15 slides on the cam curved surface 17a of the locking cam part 17 with its smooth surface 15c and moves on this cam curved surface 17a. The handle 12 is pivoted clockwise in FIG. In this state, the grip portion 12a of the handle 12 can be easily gripped, and the cassette deck can be pulled out of the holding space.

4 and 5 show a cassette deck as a second embodiment of the present invention. The cassette deck has the same structure as the cassette deck shown in FIGS. 1 to 3 except for the parts described below, and these similar parts will not be described in detail. In addition, in the following description, the same reference numerals are used for the same or corresponding parts as those of the cassette deck shown in FIGS. 1 to 3.

As shown in FIG. 4, the left and right sides 1 of the portable handle 12
A guide locking groove 20 is formed on the inner side surface of each of 2b and 12c. On the other hand, cantilever-shaped leaf springs 21 are provided on both left and right sides of the front panel section 11 and are flexible in the vertical direction.
is provided, and a locking pin 22 that can engage with the guide locking groove 20 is fixed to the free end of the leaf spring. Note that the figure shows only the guide locking groove 20 formed on the right side 12c of the handle 12, and the plate spring 21 and the locking pin 22 are shown.
Although only the one provided on the left side of the front panel 11 is shown, the left side 12b of the handle 12
The guide locking groove formed in the front panel section 11 and the plate spring and locking pin provided on the right side of the front panel part 11 are formed in the same shape as the guide locking groove 20, plate spring 21, and locking pin 22 shown in the figure. There is.

As shown in FIG. 5, the guide locking groove 20 is connected to the locking pin 22
A locking portion 20a that engages with the handle 12 to lock the handle 12, and a locking guide portion 2 that guides the locking bottle 22 to the locking portion 20a.
0b, 20C, and 20d, and the locking pin 22 to the locking part 20.
It consists of release guide parts 20f, 20g, and 20h for releasing the locked state of the handle 12 by disengaging from the handle 12.

The guide locking groove 20, plate spring 21 and locking pin 22 described above
The operation of the locking means consisting of the following will be explained with reference to FIG.

First, when locking the handle 12, the locking pin 22
from the initial position indicated by the solid line in FIG. 5, passes sequentially through the locking guide portions 20b and 20C of the guide locking groove 20 and reaches the locking guide portion 20d. When the handle 12 is released from the handle 12 in this state, the handle 12 tends to be returned to the second position by the action of the spring member 14. However, the locking pin 22 engages with the locking portion 20a, and the handle is locked at an intermediate locking position that is slightly pivoted from the first position toward the second position.

Next, when the handle 12 is pushed again from the locking position to the first position, the locking pin 22 reaches the removal guide 20g via the removal guide 2Of. In this state, handle 12
When the handle is released, the locking pin 22 is released from the guide locking groove 20 via the detachment guide portion 2, Oh, and the locked state of the handle is released.

In each of the above-described embodiments, the handle 12 pivots, but it is also possible to have a handle that projects and retracts linearly with respect to the front panel portion 11. .

Further, in each of the embodiments described above, locking means for locking the handle to the front panel portion are provided on both sides of the handle and the front panel portion. It suffices if it is provided on at least one of both sides.

If the removable electrical device is for use in a vehicle, operability can be improved by providing the locking means on the left side of the removable electrical device for right-hand drive vehicles, and on the right side for left-hand drive vehicles. further improves. In addition to the above-mentioned cassette deck, examples of removable electrical equipment include radios, televisions, VTRs, tuners, amplifiers, wireless telegraphs, and various measuring instruments.

Effects of the Invention As detailed above, in the removable electric device according to the present invention, the grip portion is located near the front panel portion between the first position in which it is close to the front panel portion and the second position in which it is separated from the front panel portion. A movably provided portable handle is attached to the second
biasing means for biasing the handle toward the second position;
When the handle is moved from the first position to the first position, the handle is locked to the front panel portion at a locking position intermediate between the first position and the second position, and the handle in the locking position is moved to the first position. and a locking means that releases the lock when the lock is released.

That is, when pulling out the electrical device from the holding space, simply pushing the handle from the locking position to the first position with your finger releases the locking state of the handle, and the urging means moves the handle to a position where it can be grasped by hand. It is pushed out.

Because of this configuration, the electrical equipment can be easily attached to and detached from the holding space using only one hand.

In addition, when an electrical device is installed in the holding space, the portable handle and handle are locked to the front panel, so if the handle shakes due to vibrations when the vehicle is running, for example, the front panel cannot be operated. is not hindered.

[Brief explanation of the drawing]

1 and 2 are perspective views of an in-vehicle cassette deck as a first embodiment of the present invention, and FIG. FIG. 4 is a perspective view of an on-vehicle cassette deck as a second embodiment of the present invention, and FIG.
The figure is a partially detailed view of the cassette deck shown in Figure 4, and Figure 6.
The figure is a perspective view of a cassette deck as a conventional removable electrical device. Explanation of symbols of main parts 11...Front panel portion 12...Portable handle 14...Spring member 15...Locking piece 17... ... Locking cam part 20 ... Guide locking groove 21 ... Leaf spring 22 ...
・Lock pin applicant Pioneer Corporation

Claims (1)

[Claims] a first position in which the front panel portion is operable while being removably inserted into the holding space through the insertion port, and the grip portion is close to the front panel portion in the vicinity of the front panel portion; and a second, spaced-apart position. from the second position to the first
When the handle is moved to the first position, the handle is locked to the front panel portion at a locking position intermediate between the first position and the second position, and the handle in the locking position is moved to the first position.
1. A removable electrical device characterized by having a locking means that releases the lock when moved to a position.